2-Benzamido-3-methylbut-2-enoic acid CAS 1738-64-3
| CAS No. | 1738-64-3 |
| Molecular Formula | C12H13NO3 |
| Molecular Weight | 219.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2-Benzamido-3-methylbut-2-enoic acid (CAS 1738-64-3) is a high-purity analytical reference standard with the molecular formula C12H13NO3 and a molecular weight of 219.24 g/mol.
Based on its molecular formula C12H13NO3, 2-Benzamido-3-methylbut-2-enoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures 2-Benzamido-3-methylbut-2-enoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H13NO3 |
| Molecular Weight | 219.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-amino-3-{1-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl}propanoic acid (CAS 173203-45-7)
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- Methyl 5-methoxy-1-methyl-1H-indole-3-carboxylate (CAS 172595-71-0)
- 4-(2-Oxopiperidin-1-yl)benzoic acid (CAS 175153-03-4)
- 6-chloro-3-(piperidin-4-ylidene)-2,3-dihydro-1H-indol-2-one hydrochloride (CAS 1240526-91-3)
- (R)-1-(5-Bromopyridin-2-yl)-2,2,2-trifluoro-N-methylethan-1-amine (CAS 2771010-86-5)
- Methyl 3-(furan-2-carboxamido)-4-(phenylsulfonyl)benzoate (CAS 439096-84-1)
- N,N,3-Trimethyl-5-(1-methylpyrrolidin-2-yl)pyridin-2-amine (CAS 1352522-35-0)
- (4-bromo-2-methylphenyl)boronic acid (CAS 221006-71-9)
- 4-(Difluoromethyl)-5-fluoro-3-iodo-2-(trifluoromethyl)pyridine (CAS 1805048-91-2)
- 3-Iodo-2,2'-bipyridine (CAS 184345-32-2)
- N-((4-Aminophenyl)sulfonyl)-N-(6-methoxypyridazin-3-yl)acetamide (CAS 3568-43-2)
- Ethyl 4-(difluoromethyl)-1-methyl-1H-pyrrole-3-carboxylate (CAS 1398504-25-0)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com